

ABSTRACT

A hemostasis valve (1) comprising a body (2) having a central passage, a seal (4) having a central aperture (14) therein, the seal being mounted in the central passage, and a diaphragm (5) having a wall member (37) with a slit (12) therein, the diaphragm being mounted in the central passage, the diaphragm wall member (37) having an inner bottom diaphragm surface (34), and an outer bottom diaphragm surface (21), the slit extending from the inner bottom diaphragm surface to the outer bottom diaphragm surface, the wall member having a diaphragm chamber (11), therewithin.



